When comparing Ghost vs Postagon, the Slant community recommends Ghost for most people. In the question“What are the best solutions for a personal blog?”Ghost is ranked 3rd while Postagon is ranked 18th. The most important reason people chose Ghost is:

Pros

Pro

Open source

Pro

Real-time preview

You can see markdown on one side of the pane and the result on the other, while writing.

Pro

Markdown support

Markdown is a plain text formatting syntax designed so that it can be human-readable and easily converted to HTML. Markdown allows HTML code for complete flexibility.

Pro

Extremely simple

It only does a few things and it does them well. Unlike WordPress, with which you can build a universe, a blog or anything in between, Ghost is simple.

Pro

Theme marketplace

A built-in way to get and set up themes.

Pro

Self-host & paid Ghost(Pro)-host options

You can download the source code and set it up yourself (just make sure your hosting provider supports node.js). Alternatively, you can use their Ghost(Pro) service to let them host it for you. Paid plans start at $10/mo.

Pro

Custom domain support

Setting up a custom domain is effortless - fill the in the form and change DNS entries. Done.

Pro

Customizable

Themes may be uploaded, as can logos and covers.

Pro

Free hosting on Github Pages via Buster

You can host your Ghost blog for free on Github Pages if you are OK with it being turned into a static site. You can use Buster to generate a static site from Ghost that can then be hosted on Github Pages.

Pro

Affordable hosting available

There are lots of affordable hosting plans available for Ghost blogs.

Pro

Clean interface

Postagon is very minimalist and clean in its design.

Pro

WYSIWYG & Markdown editors

You can opt to use the What You See Is What You Get editor or write using Markdown syntax.

Pro

Google Analytics support

Postagon has built-in statistics using Google Analytics to help get a better understanding of your visitiors.

Pro

RSS support

You can have people subscribe to your blog using RSS.

Cons

Con

Self-hosted might be hard to setup

Requires NodeJS and NPM which both come with a lot of dependencies. Also requires editting configuration files manually.

Con

Very immature and buggy

Con

Commenting must be added

One needs to edit their post.hbs file and add some code from Disqus in order for commenting to be available.

Con

Inappropriate terminology in the UI

Despite some community support of having it removed, Ghost still prominently uses the following phrase in the UI: "Display a sexy logo for your publication." This terminology can be considered exclusionary and even inappropriate in a professional environment.

Con

Finding Ghost host sites can be difficult

If wanting to host elsewhere, some of the other ghost hosting sites are hard to find, and once found they vary in features and functions. There isn't a single standard of service across the board.